The Document.hidden read-only property returns a Boolean value indicating if the page is considered hidden or not.
var string = document.hidden
document.addEventListener("visibilitychange", function() {
console.log( document.hidden );
// Modify behavior...
}); | Specification | Status | Comment |
|---|---|---|
| Page Visibility (Second Edition) The definition of 'Document.hidden' in that specification. | Recommendation | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 13 webkit 33 | 18 (18) [1] | 10 | 12.10 | 7 |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | 4.4 webkit | 18.0 (18) [1] | ? | 12.10 | 7 |
[1] From Firefox 10 to Firefox 51 included, this property could be used prefixed with -moz-.
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https://developer.mozilla.org/en-US/docs/Web/API/document/hidden